CN105929739A - Two-bus electromagnetic valve control system and control method - Google Patents
Two-bus electromagnetic valve control system and control method Download PDFInfo
- Publication number
- CN105929739A CN105929739A CN201610345495.0A CN201610345495A CN105929739A CN 105929739 A CN105929739 A CN 105929739A CN 201610345495 A CN201610345495 A CN 201610345495A CN 105929739 A CN105929739 A CN 105929739A
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- Prior art keywords
- chip microcomputer
- electromagnetic valve
- diode
- signal
- series
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/23—Pc programming
- G05B2219/23265—Select device driver for actuator, sensor
Abstract
The invention discloses a two-bus electromagnetic valve control system. External alternating current control signals are transmitted to one end of an interface through two wires; the other end of the interface is connected with a rectifying circuit; one output end of the rectifying circuit is connected in series with a signal receiving and demodulation circuit unit and a signal modulation circuit sequentially; one output end of the rectifying circuit is connected in series with a diode D3 and thereafter is connected with a power source conversion unit; the external alternating current control signals are subjected to rectification and voltage reduction, and then the processed external alternating current control signals supply power for a single-chip microcomputer; the external alternating current control signals are rectified, and then the rectified external alternating current control signals supply power for the power source conversion unit; one output end of the signal receiving and demodulation circuit unit is connected into the data receiving pin of the single-chip microcomputer; the data output pin of the single-chip microcomputer is connected with one input end of the signal modulation circuit; the signal modulation circuit outputs processed signals to an external signal line; and one output end of the single-chip microcomputer is connected with a magnetic valve coil driving unit.
Description
Technical field
The present invention relates to electromagnetic valve and control technical field, particularly relate to a kind of double bus electromagnetic valve controlling system and control method.
Background technology
Along with the high speed development of China's economic, electromagnetic valve is as a kind of executor of automated system, and consumption steeply rises in recent years
Production domesticization level there has also been raising by a stride, and its product substantially can meet the demand that China's Grand Equipments is supporting.Product goes out
Mouth more than 30 countries and regions of throughout world.Product is widely used in machinery, petrochemical industry, weaving, metallurgy, medical treatment, ring
Guarantor, agricultural, shipbuilding, papermaking, electric power, light textile, building materials, pharmacy, transportation, fire-fighting, refrigeration, navigation, aviation,
Each economy, the sphere of life industries such as railway, printing and dyeing, rubber and national defence scientific research.But at the construction field (site), especially need to use
The control cable being connected with electromagnetic valve during a fairly large number of electromagnetic valve will be a lot, give construction cabling, the position mark of each valve,
Duty labellings etc. bring many worries about installation and the detection of valve body, and one increases difficulty of construction, and two use material cost
The highest.
Summary of the invention
The purpose of the present invention is contemplated to solve the problems referred to above, it is provided that a kind of double bus electromagnetic valve controlling system and control method, only
The independent control to 1-255 electromagnetic valve can be realized with two electric wires, greatly reduce mounting material cost and difficulty of construction.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of double bus electromagnetic valve controlling system, external communication control signal is sent to one end of interface, interface through two electric wires
The other end be connected with rectification circuit, the outfan of rectification circuit be sequentially connected in series signal receiving demodulation circuit unit and signal modulation electricity
Road unit, connects power conversion unit simultaneously after the output series diode D3 of rectification circuit, external communication control signal is passed through
Powering for single-chip microcomputer after rectification and blood pressure lowering, external communication control signal is powered for power conversion unit after over commutation；
The output of signal receiving demodulation circuit unit accesses the data receiver pin of single-chip microcomputer, and the data output pins of single-chip microcomputer connects
The input of signal modulation circuit unit, the data after signal modulation circuit unit will process export on external signal line；Monolithic
The outfan of machine is connected with electromagnetic valve coil driver element.
Described rectification circuit is full bridge rectifier.
Described signal receiving demodulation circuit unit includes: the negative pole of an output terminating diode D2 of rectification circuit, diode
Series resistance R11 and R18 between positive pole and another outfan of rectification circuit of D2, the common port of resistance R11 and R18
Connecing the data receiver pin of described single-chip microcomputer, this common port is also connected with the positive pole of diode D6 simultaneously, and the negative pole of diode D6 connects
Power supply.
Described signal modulation circuit unit includes: the colelctor electrode of an output termination audion Q1 of rectification circuit, audion Q1
Emitter stage series resistor be followed by another outfan of rectification circuit, the base stage of audion Q1 connects the colelctor electrode of audion Q2,
The emitter stage of audion Q2 connects power supply, series resistor R23 between emitter stage and the base stage of audion Q2, the base of audion Q2
Pole connects resistance and is followed by the data output pins of described single-chip microcomputer.
Described power conversion unit uses blood pressure lowering conversion chip TPS54062, and output 5V voltage is that single-chip microcomputer is powered.
2 pins of described blood pressure lowering conversion chip connect the negative pole of described diode D3, two branch roads in parallel between 2 pins and ground,
Article one, series capacitance on branch road, two resistance that another branch road is connected, the 3 of the public termination blood pressure lowering conversion chip of two resistance
Pin, is in series with resistance between 3 pin 4 pins and the ground of blood pressure lowering conversion chip, connection electric capacity between 1 pin and 8 pins, and 8
Pin connects inductance and is followed by power supply VCC, two branch roads in parallel between power supply VCC and ground, series capacitance on a branch road, separately
Article one, series resistance R14 on branch road, R15 and R22, R15 and R22 common port also with 5 pins of blood pressure lowering conversion chip even
Connect, two branch roads in parallel between 6 pins and the ground of blood pressure lowering conversion chip, a branch road connects electric capacity, another branch road is gone here and there
Connection resistance and electric capacity.
Electromagnetic valve coil driver element includes: series resistance between outfan and the source electrode of field effect transistor Q4 of described single-chip microcomputer,
The source ground of field effect transistor Q4 simultaneously, the grid of field effect transistor Q4 connects the negative pole of diode D5, is simultaneously connected with audion
The emitter stage of Q3, the positive pole of diode D5 connects the outfan of described single-chip microcomputer, and the base stage of audion Q3 connects described single-chip microcomputer
Outfan, grounded collector, it is parallel with resistance and diode D4, diode between drain electrode and the power supply VIN of field effect transistor Q4
The two ends of D4 connect the coil of electromagnetic valve.
Described single-chip microcomputer uses microprocessor PIC16F886.
A kind of double bus electromagnetic valve control method, including, signal is given rectified current through two electric wires by external communication control signal
Road, the output of rectification circuit powers for power conversion unit after diode, and external communication control signal is through over commutation and blood pressure lowering
Powering for single-chip microcomputer afterwards, the output of rectification circuit simultaneously is also serially connected with signal receiving demodulation circuit unit and signal modulation circuit unit；
The data receiver that signal receiving demodulation circuit unit is transferred to single-chip microcomputer the control signal reception on external signal line solution draws
Foot, the data message of single-chip microcomputer calculation process data receiver pin, is then passed through letter by data output pins by the information after computing
Number modulation circuit unit sends to the state-detection of completion system on external signal line and identifies informational function；
When external signal send valve opening or close valve instruction after by single-chip microcomputer computing after export a switching signal to electromagnetism at its outfan
Valve coil driver element is to control the on-off electricity work of electromagnetic valve coil.
Beneficial effects of the present invention:
External communication control signal can double bus electromagnetic valve control that simultaneously 1-255 the present invention in parallel provides through two electric wires
System, it is achieved that only with in the case of two transmission signal lines and a small amount of hardware, complete and control terminal (electromagnetism to 1-255
Valve) setting and identifying control, greatly reduce the quantity in the past controlling cable, improve the stability of system, be substantially reduced
Difficulty of construction and material cost, save construction period.Enhance the motility of whole system.
Accompanying drawing explanation
Fig. 1 is the connection figure of the present invention and external piloting control system；
Fig. 2 is the system diagram of the present invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, the master control system of outside sends control signal, a kind of double bus electromagnetic valve controlling system that the present invention provides
Can receive power supply signal and control signal by two electric wires, a master control system can 1-255 the present invention the most in parallel
The control system provided, completes the control of 1-255 electromagnetic valve.
As in figure 2 it is shown, a kind of double bus electromagnetic valve controlling system, this technology uses 2 electric wires (M-A and M-B two lines)
The independent signal that can realize each valve body transmits and power supply supply task, and the control being accepted external piloting control system by interface J5 is believed
Number.This technological core is mainly made up of PIC16F886 and TPS54062, and wherein PIC16F886 microprocessor processes completes electricity
Cable uploads the address signal and control signal sent here.
TPS54062 Yu C3, C4, C5, C8, C9 capacitor also have L1 inducer and R10, R12, R13, R14,
R15, R21, R22 resistor composition power conversion unit is responsible for the power supply signal on external signal line to be demodulated to what mainboard needed
Power supply voltage supplying.
Power conversion unit uses blood pressure lowering conversion chip TPS54062, and output 5V voltage is that single-chip microcomputer is powered.
2 pins of blood pressure lowering conversion chip connect the negative pole of described diode D3, two branch roads in parallel between 2 pins and ground, one
Series capacitance on branch road, two resistance that another branch road is connected, 3 pins of the public termination blood pressure lowering conversion chip of two resistance,
Being in series with resistance between 3 pin 4 pins and the ground of blood pressure lowering conversion chip, connect electric capacity between 1 pin and 8 pins, 8 pins are even
Connect inductance and be followed by power supply VCC, two branch roads in parallel between power supply VCC and ground, series capacitance on a branch road, another
On road, series resistance R14, the common port of R15 and R22, R15 and R22 are also connected with 5 pins of blood pressure lowering conversion chip, fall
Two branch roads in parallel between 6 pins and the ground of pressure conversion chip, a branch road connects electric capacity, series resistance on another branch road
And electric capacity.
Connector J5, full-bridge rectification D1, diode D2, D3, D6, audion Q1, Q2 and resistor R11, R18,
R19, R20, R23, constituting external signal demodulator circuit unit, the control signal solution being responsible for outside to send here assigns micro-process
Device PIC16F886 carries out identification and the process of signal.
Signal receiving demodulation circuit unit includes: the negative pole of an output terminating diode D2 of rectification circuit, diode D2
Positive pole and another outfan of rectification circuit between series resistance R11 and R18, the public termination institute of resistance R11 and R18
Stating the data receiver pin of single-chip microcomputer, this common port is also connected with the positive pole of diode D6 simultaneously, and the negative pole of diode D6 connects power supply.
Signal modulation circuit unit includes: the colelctor electrode of an output termination audion Q1 of rectification circuit, audion Q1 sends out
Emitter-base bandgap grading series resistor is followed by another outfan of rectification circuit, and the base stage of audion Q1 connects the colelctor electrode of audion Q2, three poles
The emitter stage of pipe Q2 connects power supply, and between emitter stage and the base stage of audion Q2, the base stage of series resistor R23, audion Q2 is even
Connecting resistance is followed by the data output pins of described single-chip microcomputer.
Resistor R1, diode D4, D5, capacitor C10, field effect transistor Q4 and connector J1 constitute electromagnetic valve output
Drive circuit unit completes external signal and controls the task of electromagnetic valve body power supply.The outfan of single-chip microcomputer and field effect transistor Q4
Series resistance between source electrode, the simultaneously source ground of field effect transistor Q4, the grid of field effect transistor Q4 connects the negative of diode D5
Pole, is simultaneously connected with the emitter stage of audion Q3, and the positive pole of diode D5 connects the outfan of described single-chip microcomputer, audion Q3's
Base stage connects the outfan of described single-chip microcomputer, grounded collector, is parallel with resistance between drain electrode and the power supply VIN of field effect transistor Q4
Two ends with diode D4, diode D4 connect the coil of electromagnetic valve.
A kind of double bus electromagnetic valve control method, the method mainly external communication control signal is sent to mainboard through two electric wires
J5 end delivers to rear class after the D1 full-bridge rectifier being attached thereto becomes direct current signal, powers to TPS54062 through D3,
The high voltage signal that prime inputs is converted to the 5V voltage of microprocessor PIC16F886 application by TPS54062.
The signal receiving demodulation circuit unit being made up of D2, R11, R18, D6 receives the control signal on external signal line also
Solution is transferred to 18 feet of microprocessor PIC16F886, by the data message of internal processes this port of calculation process, then by himself
17 foot output program computings after object information to the signal modulation circuit unit being made up of Q1, R19, Q2, R23, R20
Send (being also to be transferred out by M-A and M-B two lines) to complete on external signal line main board system state-detection and
Identify informational function.
When external signal send valve opening instruction after by microprocessor PIC16F886 internal processes computing after export a switch at its 2 foot
Signal to the switch control unit circuit controling electromagnetic valve coil that is made up of R1, D5, Q3, Q4, C10, D4, J1 logical/
Power-off works.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not limit to scope
System, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art need not pay
Go out various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (9)
1. a double bus electromagnetic valve controlling system, is characterized in that, external communication control signal is sent to interface through two electric wires
One end, the other end of interface is connected with rectification circuit, and the outfan of rectification circuit is sequentially connected in series signal receiving demodulation circuit unit
With signal modulation circuit unit, after the output series diode D3 of rectification circuit, connect power conversion unit, external communication simultaneously
Control signal is powered for single-chip microcomputer after over commutation and blood pressure lowering, and external communication control signal supplies for power conversion unit after over commutation
Electricity；
The output of signal receiving demodulation circuit unit accesses the data receiver pin of single-chip microcomputer, and the data output pins of single-chip microcomputer connects
The input of signal modulation circuit unit, the data after signal modulation circuit unit will process export on external signal line；Monolithic
The outfan of machine is connected with electromagnetic valve coil driver element.
2. a kind of double bus electromagnetic valve controlling system, is characterized in that, described rectification circuit is full-bridge rectification
Circuit.
3. a kind of double bus electromagnetic valve controlling system, is characterized in that, described signal receiving demodulation circuit list
Unit includes: the negative pole of one of rectification circuit output terminating diode D2, another of the positive pole of diode D2 and rectification circuit
Series resistance R11 and R18 between outfan, the data receiver pin of the described single-chip microcomputer of public termination of resistance R11 and R18,
This common port is also connected with the positive pole of diode D6 simultaneously, and the negative pole of diode D6 connects power supply.
4. a kind of double bus electromagnetic valve controlling system, is characterized in that, described signal modulation circuit unit bag
Include: the colelctor electrode of an output termination audion Q1 of rectification circuit, the emitter stage series resistor of audion Q1 is followed by rectified current
Another outfan on road, the base stage of audion Q1 connects the colelctor electrode of audion Q2, and the emitter stage of audion Q2 connects power supply,
Between emitter stage and the base stage of audion Q2, the base stage connection resistance of series resistor R23, audion Q2 is followed by described single-chip microcomputer
Data output pins.
5. a kind of double bus electromagnetic valve controlling system, is characterized in that, described power conversion unit uses fall
Pressure conversion chip TPS54062, output 5V voltage is that single-chip microcomputer is powered.
6. a kind of double bus electromagnetic valve controlling system, is characterized in that, the 2 of described blood pressure lowering conversion chip are drawn
Foot connects the negative pole of described diode D3, two branch roads in parallel between 2 pins and ground, series capacitance on a branch road, another
Two resistance of series connection, 3 pins of the public termination blood pressure lowering conversion chip of two resistance, 3 pins 4 of blood pressure lowering conversion chip on road
Being in series with resistance between pin and ground, connect electric capacity between 1 pin and 8 pins, 8 pins connect inductance and are followed by power supply VCC,
Two branch roads in parallel, series capacitance on a branch road, series resistance R14, R15 on another branch road between power supply VCC and ground
With the common port of R22, R15 and R22 is also connected with 5 pins of blood pressure lowering conversion chip, 6 pins of blood pressure lowering conversion chip and ground
Between two branch roads in parallel, a branch road connects electric capacity, series resistance and electric capacity on another branch road.
7. a kind of double bus electromagnetic valve controlling system, is characterized in that, described electromagnetic valve coil driver element
Including: series resistance between outfan and the source electrode of field effect transistor Q4 of described single-chip microcomputer, the source electrode of field effect transistor Q4 connects simultaneously
Ground, the grid of field effect transistor Q4 connects the negative pole of diode D5, is simultaneously connected with the emitter stage of audion Q3, diode D5
Positive pole connect the outfan of described single-chip microcomputer, the base stage of audion Q3 connects the outfan of described single-chip microcomputer, grounded collector, field
Being parallel with resistance and diode D4 between drain electrode and the power supply VIN of effect pipe Q4, the two ends of diode D4 connect electromagnetic valve
Coil.
8. a kind of double bus electromagnetic valve controlling system, is characterized in that, described single-chip microcomputer uses microprocessor
PIC16F886。
9. a double bus electromagnetic valve control method, is characterized in that, including, external communication control signal will through two electric wires
Signal gives rectification circuit, and the output of rectification circuit is powered for power conversion unit after diode, external communication control signal
Powering for single-chip microcomputer after over commutation and blood pressure lowering, the output of rectification circuit simultaneously is also serially connected with signal receiving demodulation circuit unit and letter
Number modulation circuit unit；
The data receiver that signal receiving demodulation circuit unit is transferred to single-chip microcomputer the control signal reception on external signal line solution draws
Foot, the data message of single-chip microcomputer calculation process data receiver pin, is then passed through letter by data output pins by the information after computing
Number modulation circuit unit sends to the state-detection of completion system on external signal line and identifies informational function；
When external signal send valve opening or close valve instruction after by single-chip microcomputer computing after export a switching signal to electromagnetism at its outfan
Valve coil driver element is to control the on-off electricity work of electromagnetic valve coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345495.0A CN105929739A (en) | 2016-05-23 | 2016-05-23 | Two-bus electromagnetic valve control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345495.0A CN105929739A (en) | 2016-05-23 | 2016-05-23 | Two-bus electromagnetic valve control system and control method |
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| CN105929739A true CN105929739A (en) | 2016-09-07 |
Family
ID=56841190
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| CN201610345495.0A Pending CN105929739A (en) | 2016-05-23 | 2016-05-23 | Two-bus electromagnetic valve control system and control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108302239A (en) * | 2017-10-31 | 2018-07-20 | 瑞纳智能设备股份有限公司 | A kind of MBUS control circuits and its control method for thermostat valve |
| CN108354450A (en) * | 2018-04-27 | 2018-08-03 | 哈工大机器人集团（哈尔滨）资产经营管理有限公司 | Wine blending device |
| CN109270868A (en) * | 2018-10-24 | 2019-01-25 | 安徽锐视光电技术有限公司 | A kind of height driving system for electromagnetic valve |
| CN110320844A (en) * | 2019-07-22 | 2019-10-11 | 武汉洲际电讯科技股份有限公司 | A kind of single-chip microcontroller universal serial bus multi-channel control circuit |
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Cited By (4)
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| CN109270868A (en) * | 2018-10-24 | 2019-01-25 | 安徽锐视光电技术有限公司 | A kind of height driving system for electromagnetic valve |
| CN110320844A (en) * | 2019-07-22 | 2019-10-11 | 武汉洲际电讯科技股份有限公司 | A kind of single-chip microcontroller universal serial bus multi-channel control circuit |
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Effective date of registration: 20180416 Address after: Room 102, room 1, building No. 2333, Shandong high tech Zone, Ji'nan City, Shandong Applicant after: Shandong Shi Da Da Da Data Technology Co., Ltd. Address before: Changqing District of Ji'nan City, Shandong Province, 250000 Middle Eastern Hospital Road on Lingyan Road No. 3-402 Applicant before: Dacheng (Ji'nan) Luqiao science and Technology Co., Ltd. |
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Application publication date: 20160907 |